It's 10 p.m. Shi Rongrong, 28, calls her mother in law to learn the latest situation of her 6-year-old daughter in hometown. Shi and her husband came to Beijing from Linfen of Shanxi province last year. She works in a restaurant and her husband in a factory with monthly income about 3,000 yuan each. Her daughter is taken care of by grandparents in hometown. (Photo/China Youth Daily)